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Polyimide Coated SM Fiber
Fibercore’s range of Polyimide coated, bend-insensitive Single-Mode (SM) fibers are specifically designed for use in harsh environments. The fibers target micro-seismic “fracking” sensors, distributed temperature and pressure sensors used in Oil & Gas exploration and process optimization. These fibers are also an excellent choice for embedded Fiber Bragg Grating (FBG) strain and temperature sensor applications.
Polyimide is a high performance polymer, which can withstand short-term temperatures as high as 400°C and continuous temperatures of 300°C, allowing the fiber to survive in high temperature wells and thermally cured embedding processes.
The fibers are available in a range of Numerical Apertures (NAs) from 0.13NA up to 0.31NA. Low NA fibers are designed for low attenuation applications where long lengths of fiber are used in a straight deployment state, for example in Distributed Temperature Sensing (DTS) systems. High NA fibers allow dramatically reduced bend losses for coiled deployment states, for example in coiled seismic/acoustic sensors.
VERSION: NEWPORT 24/3
RELEASE DATE: 30 JULY 2014
SM Fiber
Typical applications:• Downhole sensors• Geophones• DTS, Distributed Acoustic Sensing (DAS), Distributed Strain Sensing (DSS) and Distributed Pressure Sensing (DPS)• Embedded sensors• FBGs• Biomedical in vivo sensors• High temperature sensors
Advantages:• Engineered for high temperature applications up to +300°C• High NA variants for extremely low macro and micro bend losses• Reduced cladding options for high reliability coils and reduced package volume• Photosensitive core designs for FBG inscription
Datasheet
Related Products:• SM Fiber for Visible Through to Near IR (SM)• High Temperature Acrylate Coated Fiber (SM-HT)• Pure Silica Core SM Fiber (SM-SC)• Photosensitive Fiber (PS)
Product Variants:• SM1500(4.2/125)P Bend insensitive and highly photosensitive high
temperaturefiberforcoiledandFBGsensorsin high temperatures
• SM1500(6.4/125)P HighlyGermaniumdopedfiberforsensor applicationsupto+300°C
• SM1500SC(7/125)PPuresilicacore,bendinsensitive,Polyimide coatedfiberforhightemperatureapplications
• SM1500(7.8/125)P Hightemperaturebridgingfiberforuseupto+300°C• SM1500(9/125)P Polyimidecoatedtransmissionanddistributed
sensingfiber• SM1500SC(9/125)P Polyimidecoated,hydrogendarkeningresistant puresilicacorefiberforhightemperatureand hydrogenrichenvironments• SM1500(4.2/50)PBendinsensitivePolyimidecoatedfiberforhigh
reliabilityminiaturecoils• SM1500(4.2/80)P Hightemperaturebendinsensitiveandphotosensitive
fiberforembeddedandcoiledsensors• SM1500(5.1/80)P Bendinsensitivecoiledsensorfiberfor
micro-acoustic“frackingsensors”• SM1500(6.4/80)PReducedcladdingdiametercoiledsensorfiber
formicro-acoustic“frackingsensors”• SM1500SC(7/80)PPolyimidecoated,hydrogendarkeningresistant puresilicacorefiberforhightemperatureand hydrogenrichenvironments• SM1500(7.8/80)P“Bridgingfiber”forreducedsplicelosses
betweensensorfibersandtelecomsfibers
T: +1 (949) 863 3144E: [email protected] www.fibercore.com
Specifications
SM1500(4.2/50)P SM1500(4.2/80)P SM1500(5.1/80)P SM1500(6.4/80)P SM1500SC(7/80)P SM1500(7.8/80)P
Operating Wavelength (nm) 1550
Cut-Off Wavelength (nm) 1350-1520 1400-1500 1350-1520
Numerical Aperture 0.29-0.31 0.24-0.26 0.19-0.21 0.17-0.19 0.15-0.17
Mode Field Diameter (µm) 4.0–4.5@1550nm 4.8–5.4@1550nm
6.0–6.8@1550nm
6.7-7.6@1550nm
7.4–8.6@1550nm
Attenuation (dB/km) ≤3.0 ≤2.5 ≤2 ≤0.75 ≤1.0 ≤0.7
Proof Test (%) 1or2(100or200kpsi)
Cladding Diameter (µm) 50±2 80±2
Core Cladding Concentricity (µm) ≤1.0 ≤0.75
Coating Diameter (µm) 71±5 102±5
Maximum Temperature (°C) 300LongTerm/400ShortTerm
Coating Type Polyimide
SM Fiber
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SM1500(4.2/125)P SM1500(6.4/125)P SM1500SC(7/125)P SM1500(7.8/125)P SM1500(9/125)P SM1500SC(9/125)P
Operating Wavelength (nm) 1550
Cut-off Wavelength (nm) 1350-1520 1400-1500 1350-1520 1190-1290
Numerical Aperture 0.29-0.31 0.19-0.21 0.17-0.19 0.15-0.17 0.13-0.15
Mode Field Diameter (µm) 4.0–4.5@1550nm
6.0–6.8@1550nm
6.7-7.6@1550nm
7.4–8.6@1550nm
8.5–9.9@1550nm
8.3–9.6@1550nm
Attenuation (dB/km) ≤2.5 ≤0.75 ≤0.7 ≤0.6 ≤0.8
Proof Test (%) 1or2(100or200kpsi)
Cladding Diameter (µm) 125±2
Core Cladding Concentricity (µm) ≤0.75
Coating Diameter (µm) 145±5
Maximum Temperature (°C) 300LongTerm/400ShortTerm
Coating Type Polyimide
T: +1 (949) 863 3144E: [email protected] www.fibercore.com
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